Awesome updates! Exciting to get some sticks in there - keep us posted on how they do. Your pics are great, and the scape is awesome if I didn't mention it earlier.
Should see great results from the Hydra, and the AB+ schedule is probably the best thing you coulda done. You've probably already check with the store on PAR range for their corals, but 550 seems a bit high in the middle of the tank.
Awesome. Yes. These are par monsters. I put the lights in to acclamation mode at 35% reduction. I am still getting 200 At the sand.